rm -rf /home/tc/workspace/gateway/test_dev_file
touch /home/tc/workspace/gateway/test_dev_file
echo "\xf9\xf9\x01\x01\x33\x33"
echo -n -e "\xf9\xf9\x01\x01\x33\x33" >> /home/tc/workspace/gateway/test_dev_file    
sleep 5s
echo "\x00\x00\x00\xff\xf1\xdd"
echo -n -e "\x00\x00\x00\xff\xf1\xdd" >> /home/tc/workspace/gateway/test_dev_file  
sleep 5s
echo "\x07\x23\x23\xff\xff\x41"
echo -n -e "\x07\x23\x23\xff\xff\x41" >> /home/tc/workspace/gateway/test_dev_file
sleep 5s
echo "\x42\x43\x88\x00\x99\x41"
echo -n -e "\x42\x43\x88\x00\x99\x41" >> /home/tc/workspace/gateway/test_dev_file
